Software Engineering - FAQ

What is Software Engineering?

Engineering discipline that concerned with every stage of software development and maintenance

What is a Software

A set of instructions to perform a specific task

Software Developer

A highly skilled profession with coding skills

Software Engineer

A highly skilled profession with coding skill mathematical skills

Software Engineering Activities

• Specification
• Development
• Validation
• Evolution

Types of software products

• Generic
• Bespoke

Software Engineering Diversity

• Entertainment System
• Transactional System
• Simulations
• Embedded Control System
• Data collection system

Software Engineering team roles

• FE/BE Engineer
• QA Engineer
• Tester
• Tech Lead

Software Engineering Ethics

• Confidentiality
• Competency
• Intellectual Property rights
• Computer Misuse
• Computer Science VS Software Engineering
• Computer science is focusing on Theories and fundamentals.
• SE is focusing on Practicalities

SDLC

SDLC is the process of Planning to implementation and operation.
It consists of documentation

1. Planning Feasibility Study Areas
   • Technical
   • Operational
   • Legal
   • Schedule
   • Economical

2.Gathering requirements

3.Design and Prototype

• Architecture
• UI
• Programming
• Platform
• Communication
• Security

4.Developing
5.Testing
6.Deployment
7.Maintainance and Operation

Uses of SDLC

Assure the quality of the product
Easy for developers to develop

Attributes of a Good Software

• Maintainability
• Efficiency
• Acceptability
• Dependability
• Security

Types of requirements

• Functional - It is required for the system’s function(They are must for operation)
  FaceBook

  • User login for the system(Authentication)
  • Adding posts
  • Commenting
  • Liking the post

• Non Functional - It is not required directly, but it is required circulatory.

  • Allow users to use either mouse or keyboard
  • Allow user to change focus
  • Providing feedback

User requirements and System requirements

• User Requirements - The requirements that users need, in natural language

  • Functional : Account create, Account Login
  • Non Functional : Dark Mode, Loading speed, Ads, Animation

• System Requirements - The requirements that need for the system’s function

  • Functional : Login data secure, Should be able to register a customer
  • Non Functional : Ability to change the mode

Software Process Model

• Set of related activities to the software development
  • V Model
  • Waterfall
  • Spiral
  • Prototype
  • Iteractive
  • Incremental

Process Maturity Approach

• Agile Approach : Focus on iterative development and reduction of overhead

• Process Maturity Approach : Focused on improving process and project management